REM service halted by 'technical problem'

The entire network of the Réseau express métropolitain (REM) crashed Tuesday morning due to what officials referred as a “technical problem.” The service outage occurred after a slowdown of train frequency that lasted or about an hour.Update 08:43 AMService interruption. Entire network. Cause: technical problem.Resumption time undetermined.Travel options: https://t.co/eRUg2R0boG— Réseau express métropolitain (@REM_infoservice) January 20, 2026Shuttle